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Concept explainers
To find: whether the given graph represents a function or not.
![Check Mark](/static/check-mark.png)
Answer to Problem 47RE
The given graph does not represent a function.
Explanation of Solution
Given:
A graph is given as
Concept used:
Vertical line test:
If a vertical line intersects a graph more than once, then the graph is not the graph of a function.
If a vertical line intersects a graph once, then the graph is the graph of a function.
Calculation:
Consider the given graph.
Now, use vertical line test as shown:
So, vertical line intersects the graph more than once, then the graph is not the graph of a function.
Chapter 2 Solutions
Precalculus
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